4
RT8106/A
www.richtek.com
DS8106/A-04 April 2011
Electrical Characteristics
(V
CC
= 12V, T
A
= 25°C, unless otherwise specified)
Absolute Maximum Ratings (Note 1)
z Supply Voltage, V
CC
-------------------------------------------------------------------------------------- 15V
z BOOT to LX ------------------------------------------------------------------------------------------------- 15V
z Input, Output or I/O Voltage ----------------------------------------------------------------------------- (GND−0.3V) to 7V
z LX to GND
DC ------------------------------------------------------------------------------------------------------------- −5V to 18V
< 200ns ------------------------------------------------------------------------------------------------------ −10V to 30V
z BOOT to GND
DC ------------------------------------------------------------------------------------------------------------- −0.3V to 30V
< 200ns ------------------------------------------------------------------------------------------------------ −0.3V to 42V
z UGATE ------------------------------------------------------------------------------------------------------- (V
LX
− 0.3V) to (V
BOOT
+ 0.3V)
< 200ns ------------------------------------------------------------------------------------------------------ (V
LX
− 5V) to (V
BOOT
+ 5V)
z LGATE ------------------------------------------------------------------------------------------------------- (GND − 0.3V) to( V
CC
+ 0.3V)
< 200ns ------------------------------------------------------------------------------------------------------ (GND − 5V) to (V
CC
+ 5V)
z Power Dissipation, P
D
@ T
A
= 25°C (Note 2)
WDFN-10L 3x3 --------------------------------------------------------------------------------------------- 1.429W
z Package Thermal Resistance
WDFN-10L 3x3, θ
JA
--------------------------------------------------------------------------------------- 70°C/W
WDFN-10L 3x3, θ
JC
--------------------------------------------------------------------------------------- 8.2°C/W
z Junction Temperature ------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------- 260°C
z Storage Temperature Range ---------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
z Supply Voltage, V
CC
-------------------------------------------------------------------------------------- 12V ± 10%, 5V ± 5%
z Junction Temperature Range ---------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ---------------------------------------------------------------------------- −40°C to 85°C
Parameter Symbol Test Conditions Min Typ Max Unit
General
Supply Input Voltage V
CC
4.75 12 13.2 V
Nominal Supply Current I
CC
No Load for UGATE/ LGATE -- 4 -- mA
VCC POR Threshold V
POR
V
CC
Rising 3.9 4.1 4.35 V
VCC POR Hysteresis V
POR_Hys
-- 0.3 -- V
Soft-Start Interval T
SS
FB rising from 10% to 90% 1.5 2.7 4 ms
Reference Voltage V
REF
-- 0.8 -- V
Output Voltage Accuracy −0.8 -- 0.8 %
Thermal Shutdown Limit -- 140 -- °C
To be continued
